[info] Using makefile-style concurrent boot in runlevel 2. [ 14.784044][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.077087][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.477158][ T102] usb 1-1: unable to get BOS descriptor or descriptor too short [ 26.557110][ T102] usb 1-1: config 138 has an invalid interface number: 14 but max is 1 [ 26.565452][ T102] usb 1-1: config 138 has an invalid interface number: 80 but max is 1 [ 26.573737][ T102] usb 1-1: config 138 has no interface number 0 [ 26.579990][ T102] usb 1-1: config 138 has no interface number 1 [ 26.586234][ T102] usb 1-1: config 138 interface 80 altsetting 5 endpoint 0xD has an invalid bInterval 150, changing to 11 [ 26.597534][ T102] usb 1-1: config 138 interface 14 has no altsetting 0 [ 26.604372][ T102] usb 1-1: config 138 interface 80 has no altsetting 0 [ 26.847093][ T102] usb 1-1: string descriptor 0 read error: -22 [ 26.853365][ T102] usb 1-1: New USB device found, idVendor=0711, idProduct=0900, bcdDevice=f4.08 [ 26.862454][ T102] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.908909][ T102] usb 1-1: USB2VGA dongle found at address 2 [ 26.918706][ T102] usb 1-1: Allocated 8 output buffers [ 26.924197][ T102] ------------[ cut here ]------------ [ 26.929689][ T102] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.935676][ T102] WARNING: CPU: 0 PID: 102 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.945235][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 26.951800][ T102] CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.4.0-rc6+ #0 [ 26.959229][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.969301][ T102] Workqueue: usb_hub_wq hub_event [ 26.974295][ T102] Call Trace: [ 26.977565][ T102] dump_stack+0xca/0x13e [ 26.981784][ T102] ? usb_submit_urb+0x1110/0x13b0 [ 26.986782][ T102] panic+0x2aa/0x6e1 [ 26.990777][ T102] ? add_taint.cold+0x16/0x16 [ 26.995428][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 27.000685][ T102] ? __warn.cold+0x14/0x33 [ 27.005073][ T102] ? __warn+0xd5/0x1d0 [ 27.009114][ T102] ? usb_submit_urb+0x1188/0x13b0 [ 27.014123][ T102] __warn.cold+0x2f/0x33 [ 27.018342][ T102] ? __irq_work_queue_local+0xa3/0xe0 [ 27.023686][ T102] ? usb_submit_urb+0x1188/0x13b0 [ 27.028709][ T102] report_bug+0x27b/0x2f0 [ 27.033015][ T102] do_error_trap+0x12b/0x1e0 [ 27.037590][ T102] ? usb_submit_urb+0x1188/0x13b0 [ 27.042584][ T102] do_invalid_op+0x32/0x40 [ 27.047075][ T102] ? usb_submit_urb+0x1188/0x13b0 [ 27.052081][ T102] invalid_op+0x23/0x30 [ 27.056212][ T102] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.061904][ T102] Code: 4d 85 ed 74 2c e8 08 22 ef fd 4c 89 f7 e8 90 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 1d bd c4 fd <0f> 0b e9 20 f4 ff ff e8 dc 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.081479][ T102] RSP: 0018:ffff8881d52ded88 EFLAGS: 00010282 [ 27.087516][ T102] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.095461][ T102] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103aa5bda3 [ 27.103407][ T102] RBP: ffff8881d223e080 R08: ffff8881d55d4800 R09: ffffed103b645d58 [ 27.111353][ T102] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 27.119308][ T102] R13: ffff8881cc0287c8 R14: ffff8881cfeaa0a0 R15: ffff8881d535fe00 [ 27.127275][ T102] ? vprintk_func+0x7d/0x113 [ 27.131844][ T102] ? usb_submit_urb+0x1188/0x13b0 [ 27.136842][ T102] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 27.143142][ T102] ? preempt_schedule_common+0x44/0x60 [ 27.148573][ T102] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 27.154969][ T102] ? wake_up_klogd+0x41/0x50 [ 27.159532][ T102] ? vprintk_emit+0x18c/0x3e0 [ 27.164185][ T102] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 27.170841][ T102] ? sisusb_send_bulk_msg.constprop.0+0x1030/0x1030 [ 27.177401][ T102] sisusb_do_init_gfxdevice+0x8a/0x450 [ 27.182839][ T102] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 27.188361][ T102] ? dev_printk_emit+0xba/0xf1 [ 27.193105][ T102] ? dev_vprintk_emit+0x541/0x541 [ 27.198113][ T102] ? really_probe+0x281/0x6d0 [ 27.202765][ T102] sisusb_init_gfxdevice+0xe1/0x18d0 [ 27.208024][ T102] ? hub_event+0x1df8/0x3800 [ 27.212605][ T102] ? worker_thread+0x96/0xe20 [ 27.217253][ T102] ? kthread+0x318/0x420 [ 27.221469][ T102] ? __dev_printk+0x1db/0x203 [ 27.226116][ T102] ? sisusb_set_default_mode+0xa50/0xa50 [ 27.231733][ T102] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 27.237882][ T102] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 27.243660][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.249362][ T102] ? refcount_inc_checked+0x1d/0x60 [ 27.254536][ T102] ? kobject_get+0x67/0xc0 [ 27.258933][ T102] sisusb_probe+0x902/0xae8 [ 27.263415][ T102] usb_probe_interface+0x305/0x7a0 [ 27.268505][ T102] ? usb_probe_device+0x100/0x100 [ 27.273507][ T102] really_probe+0x281/0x6d0 [ 27.277986][ T102] driver_probe_device+0x104/0x210 [ 27.283070][ T102] __device_attach_driver+0x1c2/0x220 [ 27.288416][ T102] ? driver_allows_async_probing+0x160/0x160 [ 27.294387][ T102] bus_for_each_drv+0x162/0x1e0 [ 27.299234][ T102] ? bus_rescan_devices+0x20/0x20 [ 27.304245][ T102] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.310029][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 27.315302][ T102] __device_attach+0x217/0x360 [ 27.320048][ T102] ? device_bind_driver+0xd0/0xd0 [ 27.325053][ T102] ? kobject_uevent_env+0x29e/0x1160 [ 27.330351][ T102] ? kobject_uevent_env+0x2a8/0x1160 [ 27.335614][ T102] bus_probe_device+0x1e4/0x290 [ 27.340446][ T102] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.346336][ T102] device_add+0xae6/0x16f0 [ 27.350728][ T102] ? uevent_store+0x50/0x50 [ 27.355208][ T102] usb_set_configuration+0xdf6/0x1670 [ 27.360557][ T102] generic_probe+0x9d/0xd5 [ 27.364952][ T102] usb_probe_device+0x99/0x100 [ 27.369692][ T102] ? usb_suspend+0x620/0x620 [ 27.374257][ T102] really_probe+0x281/0x6d0 [ 27.378738][ T102] driver_probe_device+0x104/0x210 [ 27.383848][ T102] __device_attach_driver+0x1c2/0x220 [ 27.389193][ T102] ? driver_allows_async_probing+0x160/0x160 [ 27.395148][ T102] bus_for_each_drv+0x162/0x1e0 [ 27.399985][ T102] ? bus_rescan_devices+0x20/0x20 [ 27.404991][ T102] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.410772][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 27.416029][ T102] __device_attach+0x217/0x360 [ 27.420788][ T102] ? device_bind_driver+0xd0/0xd0 [ 27.425791][ T102] ? kobject_uevent_env+0x29e/0x1160 [ 27.431049][ T102] ? kobject_uevent_env+0x2a8/0x1160 [ 27.436308][ T102] bus_probe_device+0x1e4/0x290 [ 27.441136][ T102] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.447000][ T102] device_add+0xae6/0x16f0 [ 27.451388][ T102] ? uevent_store+0x50/0x50 [ 27.455865][ T102] usb_new_device.cold+0x6a4/0xe79 [ 27.460979][ T102] hub_event+0x1df8/0x3800 [ 27.465378][ T102] ? hub_port_debounce+0x260/0x260 [ 27.470465][ T102] ? find_held_lock+0x2d/0x110 [ 27.475214][ T102] ? mark_held_locks+0xe0/0xe0 [ 27.479955][ T102] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.485473][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.490733][ T102] process_one_work+0x92b/0x1530 [ 27.495654][ T102] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.500998][ T102] ? do_raw_spin_lock+0x11a/0x280 [ 27.505994][ T102] worker_thread+0x96/0xe20 [ 27.510471][ T102] ? process_one_work+0x1530/0x1530 [ 27.515650][ T102] kthread+0x318/0x420 [ 27.519742][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 27.525090][ T102] ret_from_fork+0x24/0x30 [ 27.530340][ T102] Kernel Offset: disabled [ 27.534705][ T102] Rebooting in 86400 seconds..